Home / 825,554,509.92-1,238,510,923.92-251,110,908

Finding the Fourth Proportional to 825,554,509.92, 1,238,510,923.92 and 251,110,908

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Solution

The fourth proportional to 825,554,509.92, 1,238,510,923.92 and 251,110,908 is: 376,720,857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,554,509.92 : 1,238,510,923.92 = 251,110,908 : x
  2. Step 2: Convert to fraction form
    825,554,509.92/1,238,510,923.92 = 251,110,908/x
  3. Step 3: Cross multiply
    825,554,509.92x = 1,238,510,923.92 × 251,110,908
  4. Step 4: Simplify right side
    825,554,509.92x = 311,003,602,673,470,144
  5. Step 5: Solve for x
    x = 311,003,602,673,470,144/825,554,509.92
  6. Step 6: Final answer
    x = 376,720,857.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.